fetchBook with timeout.
fixed 啊
Revert "fixed 啊"

This reverts commit 21809afb201fd66b8d853e4505b2974a883ad634.
Revert "Revert "fixed 啊""

This reverts commit 95a41c839479068b76aa9b08f91913360ad8dfff.
settings bug fixed
login
fixed some bugs.

Display info when book list is empty in booklistView and nearby_view
fixed some bugs in book list view.
Merge pull request #44 from sjtug/zs

settings bug fixed;  login
Merge pull request #45 from Nihiue/master

fixed some bugs.
new, refined bookview actions
fix bug and left panel style
fix tab problem
basic style for book view
book view